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1、动词不定式（动词不定式（The Infinitive）考点复习）考点复习 奋斗中学高三英语组奋斗中学高三英语组 徐辽徐辽 自我归纳（一）不定式常用的各种表现形式：自我归纳（一）不定式常用的各种表现形式：自我归纳（二）不定式的否定形式就是在不定式自我归纳（二）不定式的否定形式就是在不定式 的标志的标志 to前加前加_.自我归纳（三）动词不定式可以在句中做自我归纳（三）动词不定式可以在句中做 _ 六种成分。六种成分。动词不定式动词不定式 主动形式主动形式 被动形式被动形式 一般式一般式 进行式进行式 完成式完成式 to doto be doneto be doingto have doneto h
2、ave been done否定词否定词 not主语，宾语，表语，定语，补语，状语主语，宾语，表语，定语，补语，状语 课前预习回顾课前预习回顾一，动词不定式框架一，动词不定式框架 课前预习回顾课前预习回顾二，不定式做主语、表语二，不定式做主语、表语(一一)不定式作主语和表语时多表示具体的、某一次的行不定式作主语和表语时多表示具体的、某一次的行为。为。动名词作主语和表语时多指概念性、经常性的行为。动名词作主语和表语时多指概念性、经常性的行为。1.Nowadays,_(communicate)on WeChat is very popular.2.Your task today is _(wash)
3、these curtains.3._(ignore)the difference between the two research findings will be one of the worst mistakes you make.To ignorecommunicatingto wash 课前预习回顾课前预习回顾二，不定式做主语、表语二，不定式做主语、表语（二）（二）“疑问词疑问词+不定式不定式”也可作主语、表语。也可作主语、表语。如：如：1.我想问的是何时动身？我想问的是何时动身？What I want to ask is_.2.如何处理这起冲突是困扰他的问题。如何处理这起冲突是困扰他
4、的问题。_is what puzzled him.when to startHow to deal with the conflict 课前预习回顾课前预习回顾二，不定式做主语、表语二，不定式做主语、表语（三）不定式做主语时，可以起用形式主语（三）不定式做主语时，可以起用形式主语 it 1.It really annoys me _ (disturb)while reading.2.Its not easy _(learn)a foreign language at his age.to be disturbed to learn思考思考:下列句中形式主语下列句中形式主语it 指代的真正主语指
5、代的真正主语 应该是什么呢？应该是什么呢？1.Its no good _(live)alone without keeping in touch with others.2.Its no use _(worry)about the unknown future too much.livingworrying 课堂探究梳理课堂探究梳理一，不定式做状语一，不定式做状语(表目的、结果、原因、方式等）表目的、结果、原因、方式等）1.She flies to Britain once a year _ (visit)her daughter.表表_2.He is too young _(understa
6、nd)such a complicated problem.表表_3.Jane hurried back,only _(find)that her mother had left.表表_4.Rosemary was very glad_ (forgive)by her friend.表表_5.The new laptop is easy _(handle).表表_to visit to understandto findto have been forgiven to handle目的目的结果结果结果结果原因原因方式方式 课堂探究梳理课堂探究梳理二，不定式做定语二，不定式做定语 (一一)不定式
7、做定语常表示还未发生的动作不定式做定语常表示还未发生的动作;或用来修饰或用来修饰 被序数词、最高级或被序数词、最高级或 the only 等限定的中心词等限定的中心词;如：如：1.These are the letters _(send)out this afternoon.2.Yuan Longping became the worlds first agricultural pioneer _(grow)rice that has a high output.3.He was the most suitable man_ (undertake)the task.to growto unde
8、rtaketo be sent 课堂探究梳理课堂探究梳理二，不定式做定语二，不定式做定语（二）有些名词的同根词常搭配不定式使用，（二）有些名词的同根词常搭配不定式使用，因而它们也常跟不定式作定语；因而它们也常跟不定式作定语；1.He attempted to stand up.He made an attempt _.2.He didnt plan to go abroad.He had no plan_.3.The bird sang to warn other birds to stay away.Birds singing is sometimes a warning to other
9、birds _(stay)away.to stand upto go abroadto stay 课堂探究梳理课堂探究梳理二，不定式做定语二，不定式做定语（三）（三）to be done,done,和和 being done做定语的区别做定语的区别 1.The temple _(build)in the1800s still remains well preserved.2.Listen!The song _(sing)is very popular with young students.3.The airport _(complete)next year will help promote
10、 tourism in this area.总结总结:to be done 表表_ done表表_ /being done表表_builtbeing sungto be completed被动、将来被动、将来被动、完成被动、完成 被动、进行被动、进行 课堂探究梳理课堂探究梳理 三，不定式作宾语三，不定式作宾语（一）有些动词或词组后即可接不定式，也可接动名词（一）有些动词或词组后即可接不定式，也可接动名词 作宾语，但意义有区别：作宾语，但意义有区别：如：如：forget /remember /regret /try /go on /mean /cant help 等。等。I cant help
11、_(eat)sweets whenever they are in my presence.Im busy.I cant help _(clean)the yard.Please remember _(return)the book when you finish it.He remembers_(see)the painting somewhere before.eating(to)clean to return having seen（二（二)动词动词want/need/require/deserve 后加后加 to be done/doing 作宾语作宾语 表被动。表被动。如：如：1.这
12、些提议值得这些提议值得(被被)考虑。考虑。These proposals deserve _.2.这些物资需要这些物资需要(被被)送到地震灾区。送到地震灾区。These supplies need _ _to the quake-stricken area.to be considered/considering to be conveyed /conveying 课堂探究梳理课堂探究梳理三，不定式作宾语三，不定式作宾语三，不定式作宾语三，不定式作宾语（三）不定式作的宾语带有宾补时，起用（三）不定式作的宾语带有宾补时，起用 形式宾语形式宾语it。如：如：1.我认为学门外语是必要的我认为学门外语
13、是必要的_to learn a foreign language.2.她把每天慢跑一小时当成习惯。她把每天慢跑一小时当成习惯。She makes it a habit _（四）四）“疑问词疑问词+不定式不定式”也可作宾语。也可作宾语。如：如：她在想该往哪放置这件新家具。她在想该往哪放置这件新家具。She was wondering _ 课堂探究梳理课堂探究梳理I think it necessaryto jog for an hour every day.where to put the new furniture.四，四，不定式作补语（宾语补足语或主语补足语）不定式作补语（宾语补足语或主语补
14、足语）(一一)有些动词或动词词组后只接不定式作补语。有些动词或动词词组后只接不定式作补语。1.Chinese food is considered _(be)the healthiest in the world.2.Passengers are permitted _(carry)only one piece of hand luggage onto the plane.to be to carry 课堂探究梳理课堂探究梳理四，四，不定式作补语不定式作补语(二二)see/watch/notice/hear/feel/+宾语宾语+do have/let/make+宾语宾语+do 表达表达 “看
15、到看到/听到听到/让某人做某事让某人做某事”的意思的意思.但在其被动语态中的宾补则要加但在其被动语态中的宾补则要加to。*get sb to do sth.“让某人去做某事让某人去做某事”1.Dont let your child _(play)with matches.2.I often hear him _(sing)this English song.3.The suspect was seen _(slip)into the deserted cottage.play singto slip 课堂探究梳理课堂探究梳理四，四，不定式作补语不定式作补语(三三)“with+宾语宾语+to d
16、o”和和 “leave sb to do sth”结构中做宾补的不定式表将来结构中做宾补的不定式表将来:1.He suddenly quitted halfway,leaving me _(finish)the rest of the work.2.With so many forms of poetry_ (choose)from,students may feel like writing poems of their own.to finish to choose 课堂探究梳理课堂探究梳理四，四，不定式作补语不定式作补语（四）（四）“It is said/reported/believe
17、d/known/supposed/considered/thought that”句型句型,可表可表 达为达为“主语主语+be said/reported/believed/+to do”。1.It is said that he has gone abroad.He_.2.It is believed that the patient is recovering.The patient_.is said to have gone abroadis believed to be recovering 课堂探究梳理课堂探究梳理注意：注意：“已经出国已经出国”注意：注意：“正在康复正在康复”课堂达
18、标检测课堂达标检测(2015 北京北京)_(catch)the early flight,we ordered a taxi in advance and got up very early.(2013 北京北京)Volunteering gives you a chance _(change)lives,including your own.(2015 陕西陕西)Back from his two-year medical service in Africa,Dr.Lee was happy _(see)his mother taken good care of at home.(2013
19、重庆重庆)The engine just wont start.Something seems _(go)wrong with it.To catch to changeto seeto have gone目的状语目的状语定语定语原因状语原因状语表语表语(2014 课标课标)It took years of work _(reduce)the industrial pollution and clean the water.(2012湖南湖南)Weve had a good start,but next,more work needs _(do)to achieve the final suc
20、cess.(2012江西江西)Having finished her project,she was invited by the school _(speak)to the new students.(2014天津天津)Anxiously,she took the dress out of the package and tried it on,only _(find)it didnt fit.to reduceto be done/doingto speak 课堂达标检测课堂达标检测to find主语主语宾语宾语主语补足语主语补足语结果状语结果状语 课后迁移运用课后迁移运用(一）一）1.t
21、o take2.to be trapped3.to be hiking4.to find5.to give6.to recover7.to have done8.to have survived9.to have worked10.to remember11.to do 12.to help 课后迁移运用课后迁移运用(二）二）Dear Mr.Smith,Ive read your advertisement in the newspaper.I sincerely hope you can give me the chance to takecare of your Teddy dog.I l
22、ove animals and I have been longing to keep a dog.I have the experience of keeping dogs before.So,it will be a pleasure for me to keep one.If you allow me to take care of your dog,Ill walk it at least once a day and bathe it every week.Of course,I would be very glad to hear yoursuggestions about how to look after it.I hope you can consider my request.Yours,Li Hua